| 发明名称 |
COLOR STABLE RED-EMITTING PHOSPHORS |
| 摘要 |
A process for preparing a Mn+4 doped phosphor of formula I;Ax[MFy]:Mn+4 I;includes gradually adding a first solution to a second solution gradually discharging the product liquor from the reactor while volume of the product liquor in the reactor remains constant;
wherein
A is Li, Na, K, Rb, Cs, or a combination thereof;M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof;x is the absolute value of the charge of the [MFy] ion;y is 5, 6 or 7.;The first solution includes a source of M and HF and the second solution includes a source of Mn to a reactor in the presence of a source of A. |
| 申请公布号 |
US2016244663(A1) |
申请公布日期 |
2016.08.25 |
| 申请号 |
US201514950679 |
申请日期 |
2015.11.24 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
Murphy James Edward;Sista Srinivas Prasad |
| 分类号 |
C09K11/61 |
主分类号 |
C09K11/61 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A process for preparing a Mn+4 doped phosphor of formula I
Ax[MFy]:Mn+4 I the process comprising gradually adding a first solution comprising a source of M and HF and a second solution comprising a source of Mn to a reactor in the presence of a source of A, to form a product liquor comprising the Mn+4 doped phosphor; and gradually discharging the product liquor from the reactor while volume of the product liquor in the reactor remains constant;wherein
A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7. |
| 地址 |
Schenectady NY US |
